Digital Airfone
No failure report names the digital airfone. 4 FAA approvals let 1 company make a replacement digital airfone, Erda INC holding the most (4).
Approved replacement parts 4 parts manufacturer approvals
A parts manufacturer approval (PMA) lets a company other than the aircraft's maker make a digital airfone and sell it as an approved part for the models named. These are the companies holding such approvals for a digital airfone:
For these models most: Boeing 737 (4).
| Maker | Part | Replaces | Fits | Granted | Status |
|---|---|---|---|---|---|
| Erda INC | Digital Airfone Back 210021-2 | Not Applicable-Modification Part | Boeing 737-222 | 1995-02-16 | current |
| Erda INC | Digital Airfone Back 210022-1 | Not Applicable-Modification Part | Boeing 737-222 | 1995-02-16 | current |
| Erda INC | Digital Airfone Back 210022-2 | Not Applicable-Modification Part | Boeing 737-222 | 1995-02-16 | current |
| Erda INC | Digital Airfone Back 210021-1 | Not Applicable-Modification Part | Boeing 737-222 | 1995-02-16 | current |
Sources: the FAA's service difficulty reports since 1995 (a report is a part that failed and was fixed, as filed by an airline, repair station or owner; the count shows reporting as much as reliability) and the parts manufacturer approvals in the FAA's Dynamic Regulatory System. The part name is the reporters' and the approval holders' own words, reduced to the first plain words so that spellings meet.